doc/Makefile: Do not leave nullbyte XMLWF.1 on error

diff --git a/expat/doc/Makefile b/expat/doc/Makefile
index 39897486a0d041cdb6839b9119692ff2bdb249a8..994b8b1d4d8110f039006a799c301fad69ce2516 100644 (file)
--- a/expat/doc/Makefile
+++ b/expat/doc/Makefile
@@ -12,7 +12,7 @@ xmlwf.1: XMLWF.1
 
 XMLWF.1: xmlwf.xml
        which $(DOCBOOK_TO_MAN)
-       $(DOCBOOK_TO_MAN) xmlwf.xml > $@
+       $(DOCBOOK_TO_MAN) xmlwf.xml > $@ || { rm $@ ; exit 1; }
 
 xmlwf.xml: xmlwf.sgml
        which $(SGML_TO_XML)